The Cambridge History of India, Vol. III: Turks and Afghans v3.c29.26

v3.c29.26

In the following year the confederacy was renewed, and Burhān, at the instance of Sadāshivarāya, besieged Gulbarga, but was defeated by Ibrāhīm and driven from the kingdom. Burhān endeavoured to reconstruct the confederacy, but ‘Alī Barīd Shāh had come to the conclusion that it was his duty to support the Sunni rather than the Shiah, and insulted Shāh Tāhir, Burhān’s envoy, who returned to Ahmadnagar breathing vengeance. Burhān then invaded the kingdom of Bīdar and, in spite of the assistance which it received from Bījāpur, captured the fortresses of Ausa, Udgīr, and Kandhār.